Wallet/js/models/storage/LocalEncrypted.js
2014-04-18 19:19:38 -03:00

95 lines
2.1 KiB
JavaScript

'use strict';
var imports = require('soop').imports();
//var buffertools = imports.buffertools || require('buffertools');
var parent = imports.parent || require('./LocalPlain');
var id = 0;
function Storage(opts) {
opts = opts || {};
this.__uniqueid = ++id;
if (opts.password)
this._setPassphrase(opts.password);
}
Storage.parent = parent;
var pps = {};
Storage.prototype._getPassphrase = function() {
return pps[this.__uniqueid];
}
Storage.prototype._setPassphrase = function(password) {
pps[this.__uniqueid] = password;
}
Storage.prototype._encrypt = function(string) {
var encrypted = CryptoJS.AES.encrypt(string, this._getPassphrase());
var encryptedBase64 = encrypted.toString();
return encryptedBase64;
};
Storage.prototype._encryptObj = function(obj) {
var string = JSON.stringify(obj);
return this._encrypt(string);
};
Storage.prototype._decrypt = function(base64) {
var decrypted = CryptoJS.AES.decrypt(base64, this._getPassphrase());
var decryptedStr = decrypted.toString(CryptoJS.enc.Utf8);
return decryptedStr;
};
Storage.prototype._decryptObj = function(base64) {
var decryptedStr = this._decrypt(base64);
return JSON.parse(decryptedStr);
};
Storage.prototype._read = function(k) {
var ret;
try {
ret = localStorage.getItem(k);
ret = this._decrypt(ret);
ret = ret.toString(CryptoJS.enc.Utf8);
ret = JSON.parse(ret);
} catch (e) {
console.log('Error while decrypting: '+e);
throw e;
};
return ret;
};
Storage.prototype._write = function(k,v) {
v = JSON.stringify(v);
v = this._encrypt(v);
localStorage.setItem(k, v);
};
Storage.prototype.setFromObj = function(walletId, obj) {
for (var i in keys) {
var key = keys[0];
obj[key] = this.get(walletId, key);
}
};
Storage.prototype.setFromEncryptedObj = function(walletId, base64) {
};
Storage.prototype.getEncryptedObj = function(walletId) {
var keys = this._getWalletKeys();
var obj = {};
for (var i in keys) {
var key = keys[0];
obj[key] = this.get(walletId, key);
}
var str = JSON.stringify(obj);
var base64 = this._encrypt(str).toString();
return base64;
};
module.exports = require('soop')(Storage);